ASN Wikibase Occurrence # 284730
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| Date: | Wednesday 20 June 2007 |
| Time: | 17:48 LT |
| Type: | Bell-Carson 47G-Super C-4 |
| Owner/operator: | Private |
| Registration: | N867Z |
| MSN: | C-5007 |
| Total airframe hrs: | 5737 hours |
| Engine model: | Franklin 6V-350-A |
| Fatalities: | Fatalities: 0 / Occupants: 2 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Wall Township, New Jersey -
 United States of America
|
| Phase: | Unknown |
| Nature: | Private |
| Departure airport: | Belmar/Farmingdale-Monmouth Executive Airport, NJ (BLM/KBLM) |
| Belmar/Farmingdale-Monmouth Executive Airport, NJ (BLM/KBLM) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
While on a 2-mile final approach to a runway, at 700 feet above ground level (agl), the helicopter pilot heard a loud "bang," which was followed by a total loss of engine power. The pilot performed an autorotation to a residential area, and the helicopter sustained substantial damage. The helicopter was manufactured in 1962, and the exact age of the engine could not be determined. The engine was last overhauled in 1990, and had accumulated about 224 hours of operation since that overhaul. Subsequent examination of the engine revealed that the number one connecting rod experienced a total failure, which also damaged the engine case.
Probable Cause: A total failure of the number one connecting rod during approach.
Accident investigation:
 |
|
Sources:
NTSB NYC07LA146
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 01-Oct-2022 06:44 | ASN Update Bot | Added |
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